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Hot Dip Galvanized hexagon Nuts
The national standard Hot Dip Galvanized hexagon Nuts is also called the national standard hot-dip galvanized nut. The two treatment methods are actually the same, but the names are different. Why is it called the national standard hHot Dip Galvanized hexagon Nuts? This is because the production standards of hot-dip zinc nuts are produced and processed in accordance with the national standards of GB/T6170 and GB/T52. Among them, the GB/T6170 national standard hot-dip galvanized nuts are grade 8 while the GB/T52 national standard Hot Dip Galvanized hexagon Nuts are grade 4, and the two materials are different.Hot Dip Galvanized hexagon Nuts Images
The thread grade of GB/T6170 or GB/T52 national standard nuts must be between tolerance 8 and 4 before hot-dip galvanizing. After the hot-dip galvanizing process is completed, no trimming is allowed. Except for other tolerances other than the thread, the national standard nut After hot-dip galvanizing, the assembly performance of the parts cannot be affected.
The surface finish of GB/T6170 national standard hot-dip galvanized nuts will be slightly worse than that of ordinary galvanized nuts, but the anti-rust performance is much higher than that of ordinary galvanized nuts. GB/T52 national standard hot-dip galvanized nuts are forty-thread reaming and tapping with enlarged threads when the cold-tapping hair is broken, so that the thread after the hot-dip galvanizing of the nut just offsets the thick galvanized layer, so that during installation Obtain better passability.
STARWDH hot-dip galvanized nuts are only micro-reamed and not tapped when the cold-tapping hair is broken. After the hot-dip galvanizing is completed, the tapping treatment is performed. The advantage of this hot-dip galvanized nut is that it can be stopped. Gauge to check the accuracy of the thread. Generally, hot-dip zinc nuts need to be coated with a layer of anti-rust oil on the thread after the tapping is completed to prevent the thread from being stored for a long time and causing the thread to oxidize.
In order to meet the design needs of different users, Fanao can provide two types of hot-dip galvanized nuts. One is a product that is reamed and then hot-dip galvanized, and the other is a product that is galvanized first, and then the internal thread is added. This is more special, but some customers with a larger amount will need it, because this type The hot zinc nut can ensure 100% unimpeded screwing in with the screw.
In fact, the hot-dip galvanized nut is an anti-rust process developed to prevent the product from rusting. It can turn a nut that rusts after only one year of outdoor use into a 30-year-old non-rusting nut. Isn’t it amazing? In fact, it is not magical. The simple point is that the thickness of the surface coating of the hot-dip galvanized nut is much thicker than the general processing method, basically it is above 40um, but the thread is actually a very precise process. If the thread is plated like this Thickness will definitely affect whether it can be installed or not, so in order to consider the convenience of matching with the bolt, we will enlarge the inner hole of the hot-dip galvanized nut, which is what we often call the hot-dip galvanized nut.
Do not underestimate a hot-dip galvanized nut. The standard of hot-dip galvanized nut is completely different from that of the conventional national standard nut. A national-standard hot-dip galvanized nut has the same service environment, mechanical properties and anti-corrosion requirements as the conventional one. Nuts have many differences.
Let's first analyze the standard of hot-dip galvanized nuts. In the current market, Fan Olympics can provide only two standards for hot-dip galvanized nuts, one is the GB6170 grade 8 hot-dip galvanized nut national standard, and the other is the GB52 grade 4.8 hot-dip galvanized nut standard. So what if the user needs hot-dip galvanizing of thickened nuts such as GB6175? To be honest, if the amount of use is not large, we really can't provide it. Only when a certain minimum order quantity is reached, we will order the hot-dip galvanized nut specifications as required. What is the specific minimum order quantity? This can only be determined according to the actual specifications.
Because the nut surface treatment is very troublesome, not all standards can be provided, such as GB6172 thin nuts, such as the above-mentioned GB6175 thick nuts, and fine-pitch nuts. These are currently blank areas of supply.
Finally, what is the difference between hot-dip galvanized nuts and hot-dip galvanized nuts? The difference between hot-dip galvanizing and hot-dip galvanizing is temperature control. For details, please refer to our published article for detailed instructions. Generally speaking, we call the 8 grade hot-dip galvanized nuts standard as hot-dip galvanized nuts, and the 4 or 4.8 grade hot-dip galvanized nuts are called hot-dip galvanized nuts. To put it simply, in fact, hot-dip galvanized nuts and hot-dip galvanized nuts are the same product, but the name is different, users don't need to worry about this.
For hot-dip galvanized fasteners, the hot-dip galvanizing of nuts and bolts are completely different. Simply put, hot-dip galvanized nuts are much more troublesome. Therefore, when many users purchase some unconventional hot-dip galvanized nuts, they will find that few suppliers can meet the requirements, because the handling of the nuts is too troublesome. If there is no quantitative support, no company will arrange it. produce.
What's the difference? Whether it is a bolt or a nut, it is a standard part. If we need to hot-dip galvanize the bolt, we only need to process the standard bolt. But nuts can’t. If you take a batch of standard nuts directly to hot-dip galvanizing, I can guarantee that you won’t be able to use any of them. Do you want to know why?
The production of standard nuts is to check whether its threads are qualified through the stop gauge. All drilling and tapping are processed and produced in accordance with the requirements of the national standard. The design of these threads is based on the premise of not processing. Yes, if you use this standard nut to hot-dip galvanize, the zinc liquid will fill the thread, causing the nut to be unable to match the bolt. In itself, the hot-dip galvanizing of the external thread is better than the hot-dip galvanizing of the internal thread. It's much simpler and more convenient. So how do we solve this problem?
According to domestic and foreign experiments, in order to make the hot-dip galvanized nut be able to be used normally like a standard nut, we need to enlarge the inner hole of the nut, and then use an enlarged wire tap to tap the thread. Specifically, how big the hole needs to be Calculate the thickness of galvanized, different specifications of nuts, reaming parameters are not the same. Therefore, the quality of hot-dip galvanized nuts is directly related to the production data of the company. Nuts produced according to this process cannot be tested and judged in accordance with the technical conditions of the national standard. This requires companies to have a high quality control awareness and long-term experience in order to complete this work.
Look at the picture above, it is two 4.8 grade hot-dip galvanized nuts. Let's analyze some of the differences between 4.8 grade hot-dip galvanized nuts and grade 8 hot-dip galvanized nuts. The material of grade 4.8 hot-dip galvanized nuts is made of ordinary Q235, which does not undergo heat treatment. During the production process, first drill holes with a drill, and then tap the teeth with an enlarged wire, and then directly hot-dip galvanize. At present, the standard of grade 4.8 hot-dip galvanized nuts that the company keeps is produced according to the national standard GB52. The GB52 standard refers to the thickness of the nut and the size of the opposite side. In terms of size, the three specifications of M8, M10, and M12 have the biggest difference. Generally speaking, the GB52 standard for nuts has a larger opposite side than that of GB6170. The opposite side is bigger. For details, please call for consultation.
Seeing the picture above, the nut is marked with a 10, which means that the level of the nut is level 10. In fact, this level 10 hot-dip galvanized nut is rarely used, most of which use the 8-level hot-dip galvanized nut. . Why put the picture of this 10 level nut, because the mark of "10" is very clear. If it is a level 8 hot zinc nut, an "8" will be stamped in the same position, while the 4.8 level hot dip galvanized nut The nut is not hitting this number. Regardless of whether it is a 10 nut or an 8 grade nut, its production standard is the same. It is produced using the national standard GB6170. The biggest difference between it and the 4.8 grade hot-dip galvanized nut is its high strength. The material is 35 steel. After heat treatment and tempering, the surface is hot-dip galvanized. For the three specifications of M8, M10, and M12, its opposite side size will be smaller, which is also a parameter condition to distinguish these two standards.
Hot-dip galvanized nuts are processed after reaming. Although there is no problem with the threads, it is actually difficult to control the tolerance of each nut to the same production method, because the galvanized layer is always thin and thick. It is impossible to completely achieve the same thickness of the zinc layer at every point. Therefore, it is always found that there are burrs on the threads of hot-dip galvanized nuts. If there are too many burrs, it will be difficult to rotate. In order to ensure that each nut can rotate smoothly, some companies have proposed another solution: first punch a hole in the nut without tapping, and then dip galvanized, and then hot-dip galvanized after the completion of the hot-dip galvanizing process. Carry out the last tapping, so as to ensure that each tooth pattern of the nut is smooth, in fact, this is also a very good solution.
The surface finish of GB/T6170 national standard hot-dip galvanized nuts will be slightly worse than that of ordinary galvanized nuts, but the anti-rust performance is much higher than that of ordinary galvanized nuts. GB/T52 national standard hot-dip galvanized nuts are forty-thread reaming and tapping with enlarged threads when the cold-tapping hair is broken, so that the thread after the hot-dip galvanizing of the nut just offsets the thick galvanized layer, so that during installation Obtain better passability.
STARWDH hot-dip galvanized nuts are only micro-reamed and not tapped when the cold-tapping hair is broken. After the hot-dip galvanizing is completed, the tapping treatment is performed. The advantage of this hot-dip galvanized nut is that it can be stopped. Gauge to check the accuracy of the thread. Generally, hot-dip zinc nuts need to be coated with a layer of anti-rust oil on the thread after the tapping is completed to prevent the thread from being stored for a long time and causing the thread to oxidize.
In order to meet the design needs of different users, Fanao can provide two types of hot-dip galvanized nuts. One is a product that is reamed and then hot-dip galvanized, and the other is a product that is galvanized first, and then the internal thread is added. This is more special, but some customers with a larger amount will need it, because this type The hot zinc nut can ensure 100% unimpeded screwing in with the screw.
In fact, the hot-dip galvanized nut is an anti-rust process developed to prevent the product from rusting. It can turn a nut that rusts after only one year of outdoor use into a 30-year-old non-rusting nut. Isn’t it amazing? In fact, it is not magical. The simple point is that the thickness of the surface coating of the hot-dip galvanized nut is much thicker than the general processing method, basically it is above 40um, but the thread is actually a very precise process. If the thread is plated like this Thickness will definitely affect whether it can be installed or not, so in order to consider the convenience of matching with the bolt, we will enlarge the inner hole of the hot-dip galvanized nut, which is what we often call the hot-dip galvanized nut.
Do not underestimate a hot-dip galvanized nut. The standard of hot-dip galvanized nut is completely different from that of the conventional national standard nut. A national-standard hot-dip galvanized nut has the same service environment, mechanical properties and anti-corrosion requirements as the conventional one. Nuts have many differences.
Let's first analyze the standard of hot-dip galvanized nuts. In the current market, Fan Olympics can provide only two standards for hot-dip galvanized nuts, one is the GB6170 grade 8 hot-dip galvanized nut national standard, and the other is the GB52 grade 4.8 hot-dip galvanized nut standard. So what if the user needs hot-dip galvanizing of thickened nuts such as GB6175? To be honest, if the amount of use is not large, we really can't provide it. Only when a certain minimum order quantity is reached, we will order the hot-dip galvanized nut specifications as required. What is the specific minimum order quantity? This can only be determined according to the actual specifications.
Because the nut surface treatment is very troublesome, not all standards can be provided, such as GB6172 thin nuts, such as the above-mentioned GB6175 thick nuts, and fine-pitch nuts. These are currently blank areas of supply.
Finally, what is the difference between hot-dip galvanized nuts and hot-dip galvanized nuts? The difference between hot-dip galvanizing and hot-dip galvanizing is temperature control. For details, please refer to our published article for detailed instructions. Generally speaking, we call the 8 grade hot-dip galvanized nuts standard as hot-dip galvanized nuts, and the 4 or 4.8 grade hot-dip galvanized nuts are called hot-dip galvanized nuts. To put it simply, in fact, hot-dip galvanized nuts and hot-dip galvanized nuts are the same product, but the name is different, users don't need to worry about this.
For hot-dip galvanized fasteners, the hot-dip galvanizing of nuts and bolts are completely different. Simply put, hot-dip galvanized nuts are much more troublesome. Therefore, when many users purchase some unconventional hot-dip galvanized nuts, they will find that few suppliers can meet the requirements, because the handling of the nuts is too troublesome. If there is no quantitative support, no company will arrange it. produce.
What's the difference? Whether it is a bolt or a nut, it is a standard part. If we need to hot-dip galvanize the bolt, we only need to process the standard bolt. But nuts can’t. If you take a batch of standard nuts directly to hot-dip galvanizing, I can guarantee that you won’t be able to use any of them. Do you want to know why?
The production of standard nuts is to check whether its threads are qualified through the stop gauge. All drilling and tapping are processed and produced in accordance with the requirements of the national standard. The design of these threads is based on the premise of not processing. Yes, if you use this standard nut to hot-dip galvanize, the zinc liquid will fill the thread, causing the nut to be unable to match the bolt. In itself, the hot-dip galvanizing of the external thread is better than the hot-dip galvanizing of the internal thread. It's much simpler and more convenient. So how do we solve this problem?
According to domestic and foreign experiments, in order to make the hot-dip galvanized nut be able to be used normally like a standard nut, we need to enlarge the inner hole of the nut, and then use an enlarged wire tap to tap the thread. Specifically, how big the hole needs to be Calculate the thickness of galvanized, different specifications of nuts, reaming parameters are not the same. Therefore, the quality of hot-dip galvanized nuts is directly related to the production data of the company. Nuts produced according to this process cannot be tested and judged in accordance with the technical conditions of the national standard. This requires companies to have a high quality control awareness and long-term experience in order to complete this work.
Look at the picture above, it is two 4.8 grade hot-dip galvanized nuts. Let's analyze some of the differences between 4.8 grade hot-dip galvanized nuts and grade 8 hot-dip galvanized nuts. The material of grade 4.8 hot-dip galvanized nuts is made of ordinary Q235, which does not undergo heat treatment. During the production process, first drill holes with a drill, and then tap the teeth with an enlarged wire, and then directly hot-dip galvanize. At present, the standard of grade 4.8 hot-dip galvanized nuts that the company keeps is produced according to the national standard GB52. The GB52 standard refers to the thickness of the nut and the size of the opposite side. In terms of size, the three specifications of M8, M10, and M12 have the biggest difference. Generally speaking, the GB52 standard for nuts has a larger opposite side than that of GB6170. The opposite side is bigger. For details, please call for consultation.
Seeing the picture above, the nut is marked with a 10, which means that the level of the nut is level 10. In fact, this level 10 hot-dip galvanized nut is rarely used, most of which use the 8-level hot-dip galvanized nut. . Why put the picture of this 10 level nut, because the mark of "10" is very clear. If it is a level 8 hot zinc nut, an "8" will be stamped in the same position, while the 4.8 level hot dip galvanized nut The nut is not hitting this number. Regardless of whether it is a 10 nut or an 8 grade nut, its production standard is the same. It is produced using the national standard GB6170. The biggest difference between it and the 4.8 grade hot-dip galvanized nut is its high strength. The material is 35 steel. After heat treatment and tempering, the surface is hot-dip galvanized. For the three specifications of M8, M10, and M12, its opposite side size will be smaller, which is also a parameter condition to distinguish these two standards.
Hot-dip galvanized nuts are processed after reaming. Although there is no problem with the threads, it is actually difficult to control the tolerance of each nut to the same production method, because the galvanized layer is always thin and thick. It is impossible to completely achieve the same thickness of the zinc layer at every point. Therefore, it is always found that there are burrs on the threads of hot-dip galvanized nuts. If there are too many burrs, it will be difficult to rotate. In order to ensure that each nut can rotate smoothly, some companies have proposed another solution: first punch a hole in the nut without tapping, and then dip galvanized, and then hot-dip galvanized after the completion of the hot-dip galvanizing process. Carry out the last tapping, so as to ensure that each tooth pattern of the nut is smooth, in fact, this is also a very good solution.